<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="/js/vue.js"></script>
    <title>Document</title>
</head>
    <body>
        <div id="app">
            <p>原始字符串：{{msg}}</p>
            <p>计算属性反转：{{revMsg}}</p>
            <p>methods 方法反转字符串：{{revMsg2()}}</p>
        </div>
    </body>
    <script>
       var vm = new Vue({
           el:"#app",
           data:{ 
               msg:'Hello Vue.js!'
           },
           computed: {
            revMsg:function() {
                return this.msg.split('').reverse().join('')
            }
           },
           methods: {
            revMsg2:function() {
                return this.msg.split('').reverse().join('')
            }
           }
       })
    </script>
</html>